S2 Billet Camshaft Set
Fits: 08-21 WRX STI
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Availability & lead time
This item is currently backordered or its inventory is not tracked in real time. Once your order is placed, we will source it through the manufacturer or our distributor network and ship it as soon as possible. If you need the item by a specific date, please contact us for an estimated ship date before ordering.
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Pay over time · Est. $36.69/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Pay over time · Est. $36.69/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Fitment
Fitment
- 2008–2021 Subaru | WRX STI
Description
Description
The GSC Power-Division Billet S2 Camshaft set is a camshaft set for the 2008-2021 Subaru WRX STI with the EJ257 engine and Dual AVCS, built for higher horsepower applications with a power range of 500 WHP and up.
- Part number: 7026S2
- To utilize the true potential of the S2s: built motor, built/ported head, and a good engine management system
- Upgraded valve springs are required; beehive valve springs are recommended but not required
- Cam placement: Long nose = Left Side, short nose = Right Side
- Due to lobe size, head castings will need to be filed down slightly for clearance — check during install
- Proper break-in and running high zinc oil is a must on flat tappet engines
- Must be installed by an experienced technician
Frequently Asked Questions
- Does this fit my WRX STI? Yes — this set is for the 2008-2021 Subaru WRX STI with the EJ257 engine and Dual AVCS.
- What is included in the box? The box contains a billet S2 camshaft set.
- Who should install this? These camshafts must be installed by an experienced technician. Upgraded valve springs are required, and head castings will need to be filed down slightly for clearance — check during install.
Shipping and Delivery
Shipping and Delivery
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Warranty and Support
Warranty and Support
Return and Refund
Return and Refund
Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.
Proposition 65
Proposition 65
Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov
